... advantages: 1). Factory direct, Quarry owner 2). Ten years experience. 3). Good packing Stone Step:1.Color: grey, white, black, yellow ... , green, red, brown and etc.; 2.Standard Size: Step,100-150x33cm, Riser,100-150x17cm, other sizes are available ... :Slab, tiles, countertop, paving stone, curbstone, monument, etc Granite step stone stairs with high quality and low price